Daikin RXTA30B2V1B Service Manual page 5

RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A - 2022.02
4.1 4-way valve...................................................................................................................................................................... 50
4.1.1 Checking procedures ...................................................................................................................................... 50
4.1.2 Repair procedures .......................................................................................................................................... 53
4.2 Compressor ..................................................................................................................................................................... 57
4.2.1 Checking procedures ...................................................................................................................................... 57
4.2.2 Repair procedures .......................................................................................................................................... 62
4.3 Compressor thermal protector....................................................................................................................................... 68
4.3.1 Checking procedures ...................................................................................................................................... 68
4.3.2 Repair procedures .......................................................................................................................................... 69
4.4 Expansion valve............................................................................................................................................................... 72
4.4.1 Checking procedures ...................................................................................................................................... 72
4.4.2 Repair procedures .......................................................................................................................................... 76
4.5 Front panel motor........................................................................................................................................................... 79
4.5.1 Checking procedures ...................................................................................................................................... 79
4.5.2 Repair procedures .......................................................................................................................................... 81
4.6 High pressure switch....................................................................................................................................................... 83
4.6.1 Checking procedures ...................................................................................................................................... 83
4.6.2 Repair procedures .......................................................................................................................................... 84
4.7 Humidity sensor .............................................................................................................................................................. 86
4.7.1 Checking procedures ...................................................................................................................................... 86
4.7.2 Repair procedures .......................................................................................................................................... 87
4.8 Indoor unit fan motor ..................................................................................................................................................... 89
4.8.1 Checking procedures ...................................................................................................................................... 89
4.8.2 Repair procedures .......................................................................................................................................... 90
4.9 Indoor unit heat exchanger ............................................................................................................................................ 94
4.9.1 Checking procedures ...................................................................................................................................... 94
4.9.2 Repair procedures .......................................................................................................................................... 95
4.10 Indoor unit main PCB ...................................................................................................................................................... 97
4.10.1 Checking procedures ...................................................................................................................................... 97
4.10.2 Repair procedures .......................................................................................................................................... 103
4.11 Indoor unit power PCB.................................................................................................................................................... 109
4.11.1 Checking procedures ...................................................................................................................................... 109
4.11.2 Repair procedures .......................................................................................................................................... 113
4.12 Intelligent eye sensor...................................................................................................................................................... 118
4.12.1 Checking procedures ...................................................................................................................................... 118
4.12.2 Repair procedures .......................................................................................................................................... 120
4.13 Intelligent thermal sensor............................................................................................................................................... 122
4.13.1 Checking procedures ...................................................................................................................................... 122
4.13.2 Repair procedures .......................................................................................................................................... 123
4.14 Main PCB ......................................................................................................................................................................... 126
4.14.1 Checking procedures ...................................................................................................................................... 126
4.14.2 Repair procedures .......................................................................................................................................... 132
4.15 Outdoor unit fan motor .................................................................................................................................................. 135
4.15.1 Checking procedures ...................................................................................................................................... 135
4.15.2 Repair procedures .......................................................................................................................................... 138
4.16 Outdoor unit heat exchanger ......................................................................................................................................... 141
4.16.1 Checking procedures ...................................................................................................................................... 141
4.16.2 Repair procedures .......................................................................................................................................... 142
4.17 Plate work ....................................................................................................................................................................... 144
4.17.1 Outdoor unit ................................................................................................................................................... 144
4.17.2 Indoor unit ...................................................................................................................................................... 151
4.18 Reactor ............................................................................................................................................................................ 165
4.18.1 Checking procedures ...................................................................................................................................... 165
4.18.2 Repair procedures .......................................................................................................................................... 167
4.19 Streamer unit .................................................................................................................................................................. 167
4.19.1 Checking procedures ...................................................................................................................................... 167
4.19.2 Repair procedures .......................................................................................................................................... 167
4.20 Swing flap motor............................................................................................................................................................. 170
4.20.1 Main swing flap motor ................................................................................................................................... 170
4.20.2 Secondary swing flap motor........................................................................................................................... 180
4.21 Swing raster motor ......................................................................................................................................................... 184
4.21.1 Checking procedures ...................................................................................................................................... 184
4.21.2 Repair procedures .......................................................................................................................................... 186
4.22 Thermistors ..................................................................................................................................................................... 195
4.22.1 Checking procedures ...................................................................................................................................... 195
4.22.2 Repair procedures .......................................................................................................................................... 200
4.23 Wifi control PCB .............................................................................................................................................................. 205
4.23.1 Checking procedures ...................................................................................................................................... 205
4.23.2 Repair procedures .......................................................................................................................................... 206
Table of contents
Service manual
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